#include #include int main() { std::cout << "count() counts towards infinity, breaks at 10\n"; for (auto i : iter::count()) { std::cout << i << '\n'; if (i == 10) { break; } } std::cout << "count(20) starts counting from 20, breaks at 30\n"; for (auto i : iter::count(20)) { std::cout << i << '\n'; if (i == 30) { break; } } std::cout << "count(50, 2) counts by 2 starting at 50, breaks at 70\n"; for (auto i : iter::count(50, 2)) { std::cout << i << '\n'; if (i >= 70) { break; } } std::cout << "count(0, -1) counts down towards -infinity, breaks at -10\n"; for (auto i : iter::count(0, -1)) { std::cout << i << '\n'; if (i == -10) { break; } } }